Originally Posted by pettybird

here are a pair of links so you can see the brilliant mitsu design for yourself:

http://www.vfaq.com/mods/porting-turbo.html

http://www.vfaq.com/mods/porting-O2.html

you can see how they go together to make a real clusterF of the exhaust flow. Also, the wastegate BARELY opens, so boost creep is a major problem.